Artesian, SD 57314 Frost Dates
When can you plant in Artesian, SD?
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/05, about 159 frost-free days later.
Zone 4b (-25 to -20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Artesian, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Artesian before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Artesian compares
At roughly 159 frost-free days, Artesian places 32,797 of 40,283 ZIP codes in this dataset. Within SD, it ranks 43 of 378.
Learn more
zone vs. frost date covers why Zone 4b and Artesian's frost date answer different questions. the frost range covers how to read the range around Artesian's dates instead of trusting one.